2b72262b4f
I hereby relicense all my work on Sortix under the ISC license as below. All Sortix contributions by other people are already under this license, are not substantial enough to be copyrightable, or have been removed. All imported code from other projects is compatible with this license. All GPL licensed code from other projects had previously been removed. Copyright 2011-2016 Jonas 'Sortie' Termansen and contributors. Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
51 lines
2.1 KiB
C
51 lines
2.1 KiB
C
/*
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* Copyright (c) 2014, 2015 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* regex/regerror.c
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* Regular expression error reporting.
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*/
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#include <regex.h>
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#include <stdio.h>
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#include <string.h>
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size_t regerror(int errnum,
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const regex_t* restrict regex,
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char* restrict errbuf,
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size_t errbuf_size)
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{
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(void) regex;
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const char* msg = "Unknown regular expression error";
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switch ( errnum )
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{
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case REG_NOMATCH: msg = "Regular expression does not match"; break;
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case REG_BADPAT: msg = "Invalid regular expression"; break;
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case REG_ECOLLATE: msg = "Invalid collating element referenced"; break;
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case REG_ECTYPE: msg = "Invalid character class type referenced"; break;
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case REG_EESCAPE: msg = "Trailing <backslash> character in pattern"; break;
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case REG_ESUBREG: msg = "Number in \\digit invalid or in error"; break;
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case REG_EBRACK: msg = "\"[]\" imbalance"; break;
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case REG_EPAREN: msg = "\"\\(\\)\" or \"()\" imbalance"; break;
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case REG_EBRACE: msg = "\"\\{\\}\" imbalance"; break;
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case REG_BADBR: msg = "Content of \"\\{\\}\" invalid: not a number, number too large, more than two numbers, first larger than second"; break;
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case REG_ERANGE: msg = "Invalid endpoint in range expression"; break;
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case REG_ESPACE: msg = "Out of memory"; break;
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case REG_BADRPT: msg = "'?', '*', or '+' not preceded by valid regular expression"; break;
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}
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if ( errbuf_size )
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strlcpy(errbuf, msg, errbuf_size);
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return strlen(msg) + 1;
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}
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